Why is ethanoic acid described as a weak acid?
A It is only slightly ionised in water.
B It is a poor conductor of electricity.
C It is an organic acid.
D It reacts only with very reactive metals.
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A weak acid is one which doesn't ionise fully when it is dissolved in water. Ethanoic acid is a typical weak acid. It reacts with water to produce hydroxonium ions and ethanoate ions, but the back reaction is more successful than the forward one. The ions react very easily to reform the acid and the water
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A. It is only slightly ionised in water.
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